In their first joint interview since the former senator from Pennsylvania suspended his candidacy, Santorum and his wife Karen declined to endorse the former Massachusetts governor, but the former candidate said that he hoped to meet with Romney "in the next week or two."

Two senior advisers to Santorum's campaign told CNN that the meeting with Romney is tentatively scheduled for May 4, and the agenda would likely include the possibility of an endorsement, surrogacy activities, and the role of conservative issues on Romney's platform.

In the interview, the Santorums avoided using the word "endorsement," but acknowledged that Romney would be" the person that's going against Barack Obama."